Chemistry

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Across
  1. 2. anything related to atoms
  2. 4. a fusion of two or more elements
  3. 9. discoverer of radium
  4. 10. the study of chemicals
Down
  1. 1. the first name of the discoverer of polonium
  2. 3. a component in co2
  3. 5. a gas we breath
  4. 6. a element with two atoms
  5. 7. arranged in shells
  6. 8. a chemical with only one type of atom